This Week I Learned
High Contrast mode in some versions of Windows/IE completely hide background images rendering some UI practices unusable. http://terrillthompson.com/blog/182
One of the few things I liked about using a full blown IDE: you can use
rename symbolin VSCode to rename a method/variable/whatever to rename it and all relevant uses of it.
Autogyros: https://xkcd.com/1972 - and a charming old documentary style vid about how they work: